public IActionResult Delete(string grainId) { var dal = new GrainDal(); var p = dal.Find(grainId); if (p == null) { return(Json(new { state = "error", data = "找不到这一条数据" })); } try { dal.Remove(p); return(Json(new { state = "ok", data = 1 })); } catch (Exception ex) { return(Json(new { state = "error", data = ex.Message })); } }